China Professional Double Acting Hydraulic Lifting Jack Hydraulic Cylinder vacuum pump electric

Product Description

Double Acting Hydraulic Lifting Jack Hydraulic Cylinder

1.Describe:
Hydraulic cylinder can bear partial loading is 5% of rated pressure. High pressure alloy cylinder is very durable, especially in the larger project, it is easily to be operated and control. It can be used for lifting heavy machine, bridge project, hydraulic engineering, harbour construction and other equipment. It has large output, light weight, remote control and other advantages, it can match with our high pressure oil pump, it can reach jack, push, pull and extrusion and kinds of working.

2. Features

1. Integral stop ring provides piston blow-out protection
2. Double-acting for positive retraction
3. Baked enamel outside finish and plated pistons provide superior corrosion resistance
4. Safety valve in retract side of cylinder helps to prevent damage in case of accidental over-pressurization
5. Interchangeable, hardened grooved saddles are standard
6. Plunger wiper reduces contamination, extending cylinder life

Model Tonnage T Stroke mm Closed height mm Extend height mm Outer diameter of oil cylinder mm Dimension of plunger mm Dimension of oil pump  mm Weight kg Pressure
STQ50-100 50 100 225 325 127 70 100 35 63MPA
STQ50-160 160 285 445 39
STQ50-200 200 325 525 46
STQ50-300 300 425 725 48
STQ50-500 500 625 1125 63
STQ100-100 100 100 250 350 180 100 140 58
STQ100-160 160 310 470 63
STQ100-200 200 350 550 78
STQ100-300 300 450 750 96
STQ100-500 500 650 1150 130
STQ150-100 150 100 260 360 219 125 180 58
STQ150-160 160 320 480 69
STQ150-200 200 360 560 86
STQ150-300 300 460 760 103
STQ150-500 500 660 1160 255
STQ200-100 200 100 285 385 240 150 200 96
STQ200-160 160 345 505 103
STQ200-200 200 385 585 116
STQ200-300 300 485 785 161
STQ200-500 500 685 1185 221
STQ320-100 320 100 310 410 330 180 250 196
STQ320-160 160 370 530 240
STQ320-200 200 410 610 258
STQ320-300 300 510 810 311
STQ320-500 500 710 1210 456
STQ400-100 400 100 355 455 380 200 290 198
STQ400-160 160 415 575 231
STQ400-200 200 460 660 264
STQ400-300 300 555 855 367
STQ400-500 500 755 1255 456
STQ500-100 500 100 360 460 430 200 320 323
STQ500-160 160 420 580 330
STQ500-200 200 460 660 420
STQ500-300 300 560 860 581
STQ500-500 500 760 1260 599
STQ630-100 630 100 417 517 500 250 360 560
STQ630-160 160 477 637 633
STQ630-200 200 517 717 696
STQ630-300 300 617 917 898
STQ630-500 500 817 1317 1250
STQ800-100 800 100 488 588 560 300 400 896
STQ800-200 200 598 798 1040
STQ800-300 300 698 998 1380
STQ800-500 500 898 1398 1520
STQ1000-100 1000 100 530 630 600 320 450 1286
STQ1000-200 200 630 830 1332
STQ1000-300 300 760 1060 1663

If the model you are looking for is not available, please contact us! We will customize it according to your needs.

3. Application:
Our hydraulic jacks have been widely used for industrial field, such as steel plant, cement industry, chemical and refinery, bridge, railway, highway, hydropower station, ship repair, building, construction and maintenance.

4.Company information:
HangZhou Lead Equipment Co., Ltd. Have been in hydraulic tools industry since 2009.
Our main products as follow:
Single acting hydraulic jack/cylinder/ram (10-100 tons)
Single acting hollow hydraulic jack/cylinder/ram (12-100 tons)
Double acting hydraulic jack/cylinder/ram (50-2000 tons)
Double acting hollow hydraulic jack/cylinder/ram (50-2000 tons)
Single acting hydraulic jack/cylinder/ram with lock nut (55-200 tons)
Thin type single acting hydraulic jack/cylinder/ram (10-200 tons)
Ultrathin hydraulic jack/cylinder/ram (10-200 tons)
Flange type hydraulic jack/cylinder/ram (10-630 tons)
Synchronous hydraulic jack (10-1000 tons)
Hydraulic accessories: high pressure oil hose, couplers, seal kits, mainfold, etc.
All the tonnage, stroke, height can be customized according to client's requirements, supply the best quality and serve. Our warranty is 2 years.

Certification: CE, SGS
Pressure: High Pressure
Work Temperature: Normal Temperature
Acting Way: Double Acting
Working Method: Rotary
Adjusted Form: Switching Type
Customization:
Available

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hydraulic cylinder

How do hydraulic cylinders ensure smooth and consistent movement in heavy machinery?

Hydraulic cylinders play a vital role in ensuring smooth and consistent movement in heavy machinery. Their design and operation allow for precise control over the motion of heavy loads, resulting in efficient and reliable performance. Here's a detailed explanation of how hydraulic cylinders contribute to smooth and consistent movement in heavy machinery:

1. Hydraulic Fluid and Pressure:

- Hydraulic cylinders operate by utilizing hydraulic fluid, typically oil, to transmit force and motion. The fluid is pressurized by a hydraulic pump, creating a force that acts on the piston inside the cylinder. The pressure of the hydraulic fluid can be precisely controlled, allowing for smooth and gradual movement of heavy machinery. The fluid's incompressibility ensures that the force is evenly distributed, resulting in consistent and predictable motion.

2. Piston and Cylinder Design:

- Hydraulic cylinders are designed with precision to ensure smooth movement. The piston and cylinder bore are machined to tight tolerances, reducing friction and minimizing internal leakage. This precise fit between the piston and cylinder walls helps maintain consistent motion without jerks or sudden changes in speed. Additionally, the use of high-quality seals and lubrication further enhances the smooth operation of the cylinder.

3. Control Valves and Flow Control:

- Hydraulic systems incorporate control valves that regulate the flow of hydraulic fluid into and out of the cylinder. These valves allow for precise control over the speed and direction of the cylinder's movement. By adjusting the flow rate, operators can achieve smooth and controlled motion of heavy machinery, avoiding sudden starts or stops. Flow control valves also enable speed adjustment, ensuring consistent movement even under varying loads or operating conditions.

4. Cushioning and Damping:

- Hydraulic cylinders can be equipped with cushioning mechanisms to absorb shock and minimize impacts during the movement of heavy machinery. Cushioning is achieved by incorporating specialized valves or adjustable orifices in the cylinder, which restrict the flow of hydraulic fluid near the end of the stroke. This gradual deceleration helps prevent sudden jolts or vibrations, maintaining smooth and consistent movement while reducing stress on the machinery and its components.

5. Load Balancing:

- Hydraulic cylinders can be designed and arranged in a system to balance the load and distribute forces evenly. By utilizing multiple cylinders in parallel or series configurations, heavy machinery can achieve balanced movement, preventing uneven stress and ensuring smooth operation. Load balancing also helps minimize the risk of component failure and enhances the overall stability and longevity of the machinery.

6. Feedback and Control Systems:

- Advanced hydraulic systems incorporate feedback sensors and control systems to monitor and adjust the movement of heavy machinery. These sensors provide real-time information about the position, speed, and force exerted by the hydraulic cylinders. The control system processes this data and adjusts the flow of hydraulic fluid accordingly to maintain smooth and consistent movement. By continuously monitoring and regulating the cylinder's operation, feedback and control systems contribute to precise and reliable motion control.

7. Maintenance and Servicing:

- Regular maintenance and servicing of hydraulic cylinders are essential to ensure their smooth and consistent movement in heavy machinery. Proper lubrication, inspection of seals, and replacement of worn-out components help maintain optimal performance. Preventive maintenance practices, such as filter replacements and fluid analysis, also contribute to the longevity and reliability of hydraulic systems, ensuring consistent movement over time.

In summary, hydraulic cylinders ensure smooth and consistent movement in heavy machinery through the use of hydraulic fluid and pressure, precise piston and cylinder design, control valves and flow control, cushioning and damping mechanisms, load balancing, feedback and control systems, and regular maintenance and servicing. By leveraging these features, hydraulic cylinders provide the necessary force and control to handle heavy loads while maintaining precise and reliable motion, enhancing the overall performance and productivity of heavy machinery in various industrial applications.

hydraulic cylinder

Impact of Hydraulic Cylinders on Overall Productivity of Manufacturing Operations

Hydraulic cylinders play a crucial role in enhancing the overall productivity of manufacturing operations. These versatile devices are widely used in various industrial applications due to their ability to generate powerful and controlled linear motion. Let's explore how hydraulic cylinders impact the overall productivity of manufacturing operations:

  1. Powerful Force Generation: Hydraulic cylinders are capable of generating high forces, which enables them to handle heavy loads and perform demanding tasks. By providing the necessary force, hydraulic cylinders facilitate efficient and effective operation of machinery and equipment in manufacturing processes. This ability to exert substantial force contributes to increased productivity by enabling the handling of larger workpieces, enhancing process efficiency, and reducing manual labor requirements.
  2. Precision and Control: Hydraulic cylinders offer precise control over the movement of loads, allowing for accurate positioning, alignment, and repetitive tasks. The smooth and controlled linear motion provided by hydraulic cylinders ensures precise operation in manufacturing processes, such as assembly, material handling, and machining. This precision and control minimize errors, rework, and scrap, leading to improved productivity and higher-quality output.
  3. Speed and Efficiency: Hydraulic cylinders can operate at high speeds, enabling rapid movement and cycle times in manufacturing operations. The combination of high force and speed allows for faster operation of machinery and equipment, reducing production cycle times and increasing overall throughput. By optimizing the speed and efficiency of manufacturing processes, hydraulic cylinders contribute to improved productivity and output.
  4. Flexibility and Adaptability: Hydraulic cylinders are highly flexible and adaptable to different manufacturing applications. They can be customized to meet specific requirements, such as load capacity, stroke length, and mounting options. This versatility allows hydraulic cylinders to be integrated into a wide range of machinery and equipment, accommodating diverse manufacturing needs. The ability to adapt to different tasks and environments enhances overall productivity by enabling efficient utilization of resources and facilitating process optimization.
  5. Reliability and Durability: Hydraulic cylinders are known for their robustness and durability, making them suitable for demanding manufacturing environments. Their ability to withstand heavy loads, repeated use, and harsh operating conditions ensures reliable performance over extended periods. Minimizing downtime due to cylinder failure or maintenance requirements contributes to increased productivity and uninterrupted manufacturing operations.

In summary, hydraulic cylinders have a significant impact on the overall productivity of manufacturing operations. Their powerful force generation, precision and control, speed and efficiency, flexibility and adaptability, as well as reliability and durability, contribute to optimized processes, increased throughput, improved quality, and reduced labor requirements. By leveraging the capabilities of hydraulic cylinders, manufacturers can enhance productivity, streamline operations, and achieve greater efficiency in their manufacturing processes.

hydraulic cylinder

How do hydraulic cylinders handle variations in load, pressure, and speed?

Hydraulic cylinders are designed to handle variations in load, pressure, and speed effectively. They incorporate features and components that allow them to adapt to changing operating conditions and maintain optimal performance. Here's a detailed explanation of how hydraulic cylinders handle variations in load, pressure, and speed:

Variations in Load:

- Hydraulic cylinders are capable of handling variations in load by adjusting the force they exert. The force output of a hydraulic cylinder is determined by the hydraulic pressure and the surface area of the piston. When the load increases, the pressure in the hydraulic system can be adjusted to generate a higher force. This adjustment can be achieved by regulating the flow of hydraulic fluid into the cylinder using control valves. By controlling the pressure and flow, hydraulic cylinders can adapt to different load requirements, ensuring that the force applied is sufficient to handle the load while preventing excessive force that could cause damage.

Variations in Pressure:

- Hydraulic cylinders are designed to handle variations in pressure within the hydraulic system. They are equipped with seals and other components that can withstand high-pressure conditions. When the pressure within the hydraulic system fluctuates, the hydraulic cylinder adjusts accordingly to maintain its performance. The seals prevent fluid leakage and ensure that the hydraulic pressure is effectively transmitted to the piston, allowing the cylinder to generate the required force. Additionally, hydraulic systems often incorporate pressure relief valves and other safety mechanisms to protect the cylinder and the entire system from overpressure conditions.

Variations in Speed:

- Hydraulic cylinders can handle variations in speed through the control of hydraulic fluid flow. The speed of a hydraulic cylinder's extension or retraction is determined by the rate at which hydraulic fluid enters or exits the cylinder. By adjusting the flow rate using flow control valves, the speed of the cylinder's movement can be regulated. This allows for precise control over the speed, enabling operators to adapt to varying speed requirements based on the specific task or load. Furthermore, hydraulic systems can incorporate flow control valves with adjustable orifice sizes to fine-tune the speed of the cylinder's movement.

Load-Sensing Technology:

- Advanced hydraulic systems may incorporate load-sensing technology to further enhance the ability of hydraulic cylinders to handle variations in load, pressure, and speed. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This technology ensures that the hydraulic cylinder provides the necessary force while optimizing energy efficiency. Load-sensing systems are particularly beneficial in applications where the load requirements can vary significantly, allowing hydraulic cylinders to adapt in real-time and maintain precise control over force and speed.

Accumulators:

- Hydraulic systems can also utilize accumulators to assist in handling variations in load, pressure, and speed. Accumulators store hydraulic fluid under pressure, which can be released when needed to supplement the flow and pressure in the system. When there are sudden increases in load or pressure demands, accumulators can provide additional fluid to the hydraulic cylinder, ensuring smooth operation and preventing pressure drops. Similarly, accumulators can assist in maintaining consistent speed by compensating for fluctuations in flow rate. They act as a supplemental energy source, helping hydraulic cylinders respond effectively to variations in operating conditions.

In summary, hydraulic cylinders handle variations in load, pressure, and speed through various mechanisms and components. They can adjust the force output to accommodate different load requirements by regulating hydraulic pressure. The seals and components within hydraulic cylinders allow them to withstand variations in pressure within the hydraulic system. By controlling the flow of hydraulic fluid, hydraulic cylinders can regulate the speed of their movement. Advanced technologies such as load-sensing systems and the use of accumulators further enhance the adaptability of hydraulic cylinders to changing operating conditions. These features and mechanisms enable hydraulic cylinders to maintain optimal performance and provide reliable force and motion control in a wide range of applications.

China Professional Double Acting Hydraulic Lifting Jack Hydraulic Cylinder   vacuum pump electricChina Professional Double Acting Hydraulic Lifting Jack Hydraulic Cylinder   vacuum pump electric
editor by CX 2023-10-19